Form theme for symfony for semantic ui

semantic_ui_form_theme.html.twig

{%- block form_start -%}
    {%- do form.setMethodRendered() -%}
    {% set method = method|upper %}
    {%- if method in ["GET", "POST"] -%}
        {% set form_method = method %}
    {%- else -%}
        {% set form_method = "POST" %}
    {%- endif -%}

    {% if attr.class is defined %}
        {% if 'ui' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' ui')|trim}) %}
        {% endif %}
        {% if 'form' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' form')|trim}) %}
        {% endif %}
    {% else %}
        {% set attr = attr|merge({'class': 'ui form'}) %}
    {% endif %}


    <form name="{{ name }}" method="{{ form_method|lower }}"{% if action != '' %} action="{{ action }}"{% endif %}{% for attrname, attrvalue in attr %} {{ attrname }}="{{ attrvalue }}"{% endfor %}{% if multipart %} enctype="multipart/form-data"{% endif %}>
    {%- if form_method != method -%}
        <input type="hidden" name="_method" value="{{ method }}" />
    {%- endif -%}
{%- endblock form_start -%}

{% block form_row %}
    <div class="field">
        {{- form_label(form) -}}
        {{- form_errors(form) -}}
        {{- form_widget(form) -}}
    </div>
{% endblock %}

{%- block button_row -%}
    {{- form_widget(form) -}}
{%- endblock button_row -%}

{% block submit_widget %}
    {%- if label is empty -%}
        {%- if label_format is not empty -%}
            {% set label = label_format|replace({
            '%name%': name,
            '%id%': id,
            }) %}
        {%- else -%}
            {% set label = name|humanize %}
        {%- endif -%}
    {%- endif -%}

    {% if attr.class is defined %}
        {% if 'ui' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' ui')|trim}) %}
        {% endif %}
        {% if 'primary' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' primary')|trim}) %}
        {% endif %}
        {% if 'button' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' button')|trim}) %}
        {% endif %}
    {% else %}
        {% set attr = attr|merge({'class': 'ui primary button'}) %}
    {% endif %}

    <button type="{{ type|default('submit') }}" {{ block('button_attributes') }}>{{ translation_domain is same as(false) ? label : label|trans({}, translation_domain) }}</button>
{% endblock %}

{% block reset_widget %}
    {%- if label is empty -%}
        {%- if label_format is not empty -%}
            {% set label = label_format|replace({
            '%name%': name,
            '%id%': id,
            }) %}
        {%- else -%}
            {% set label = name|humanize %}
        {%- endif -%}
    {%- endif -%}

    {% if attr.class is defined %}
        {% if 'ui' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' ui')|trim}) %}
        {% endif %}
        {% if 'primary' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' negative')|trim}) %}
        {% endif %}
        {% if 'button' not in attr.class %}
            {% set attr = attr|merge({'class': (attr.class ~ ' button')|trim}) %}
        {% endif %}
    {% else %}
        {% set attr = attr|merge({'class': 'ui negative button'}) %}
    {% endif %}

    <button type="{{ type|default('reset') }}" {{ block('button_attributes') }}>{{ translation_domain is same as(false) ? label : label|trans({}, translation_domain) }}</button>
{% endblock %}